The RAM Mount for Humminbird HELIX 7 Series specifically fits the Humminbird Helix 7 Fishfinder series head units so you can mount them to your kayak or boat. RAM is the revolutionary universal ball and socket mounting system that allows you to mount practically anything anywhere. Unlike other mounts on the market, RAM allows you to mount items where you need them most. If you need to mount a Rod Holder, GPS or Fish Finder look no further. RAM mounts will help you make a professional job easy. Its unique design provides easy installation, mobility, strength, versatility, vibration protection and durability, all at a low cost. To provide light weight strength and corrosion resistance, RAM is made of marine grade aluminum with a powder coated finish, stainless steel hardware and rubber balls.